Carrier KR11AZ406 Blower Pulley 320720-756 engineered for high-performance 1H/1C universal

engineered for high-performance 1H/1C universal applications

Is the time delay adjustable on this model

the shielded 22/2pr construction meets the physical layer requirements for many RS-485 and BACnet MS/TP applications

Proprietary Blade Pitch: Engineered to match the motor RPM and torque curves of Modine equipment for optimal HVAC airflow performance

Dual-Speed Logic: Supports 2-speed motor operations to balance energy consumption with required CFM output

Carrier KR11AZ406 Blower Pulley 320720-756 engineered for high-performance 1H/1C universalThe Carrier KR11AZ406 Blower Pulley is a critical mechanical drive component engineered for precise torque transmission in commercial HVAC blower systems. This factory authorized part is manufactured to exact tolerances, featuring a 4. 25 inch diameter and a 5 8 inch bore size to ensure a secure fit on standard motor shafts. Designed for heavy duty rotation, the KR11AZ406 fixed pitch pulley provides consistent belt alignment, reducing lateral stress